#include<iostream>
#include<map>
using namespace std;
int main()
{
	map<string, int>mp;
	mp.insert({ "chen",1 });
	mp.insert({ "biao",2 });
	mp.insert({ "ren",3 });
	for (auto x : mp) {
		cout << x.first << " " << x.second << endl;
	}
	return 0;
}